<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Hello 3D Earth</title>
    <script src="cesium/Cesium.js"></script>
    <style>
        @import url(cesium/Widgets/widgets.css);
        html, body, #cesiumContainer {
            width: 100%; height: 100%; margin: 0; padding: 0; overflow: hidden;
        }
    </style>
</head>
<body>
    <div id="cesiumContainer"></div>
    <script src="app.js"></script>
</body>
</html>